2. Standard conditions are accepted at 1.0 M for solutes and 1.0 atm for gases. However,...
2. Standard conditions are accepted at 1.0 M for solutes and 1.0 atm for gases. However, for biological systems the standard [H+] is 1.0 x 10-7 M. Explain the reasoning for using this H+ constant as standard in biological systems.
Homework Answers
For biological systems the standard [H+] is 1.0 x 10^-7 M because , water is essential for all life forms and hence for all the biological activites and also the concentration of [H+] in pure water at 25° C ( often referred as room temperature) is 1.0 x 10^-7. Therefore it is taken as the reference standard in biological systems.
Add Answer to:
2. Standard conditions are accepted at 1.0 M for solutes and 1.0
atm for gases. However,...
set of standard conditions: temperature, 298 K; pressure, 1 atm or 101.3 kPa; and all solutes...
set of standard conditions: temperature, 298 K; pressure, 1 atm
or 101.3 kPa; and all solutes at 1 M concentration
Calculate the Gibbs free energy for the combustion of methane, CH4, and predict whether the reaction is spontaneous under standard conditions s9 lgases valah eauanon
Standard reduction potentials are listed for reactions under standard conditions. Standard conditions are 1 M concentrations of ions, 1 atm (or 1 bar) partial pressures for gases, and a tem...
Standard reduction potentials are listed for reactions under standard conditions. Standard conditions are 1 M concentrations of ions, 1 atm (or 1 bar) partial pressures for gases, and a temperature of 298 K a. In Part I, you were asked to compare your measured cell potential to a calculated standard cell 3. potential. The cell potential you measured was for a galvanic cell you prepared using 0.10 M solutions of Pb and Cu, not 1.0 M solutions. Write out the...
A sample of gas XY partially decomposes into gases X2 and Y2 in a closed reactor:...
A sample of gas XY partially decomposes into gases X2 and Y2 in a closed reactor: 2XY = X2 + Y2 Which are true about this system? Select two that apply. At equilibrium, volume is conserved in closed systems. At equilibrium, enthalpy is conserved in closed systems. Energy is not conserved in the system because a closed system allows heat to enter or escape. At equilibrium, mass is conserved in closed systems. Energy is conserved in the system because a...
e) If the HSO3- is introduced by bubbling gaseous SO2 through the solution, given: SO2 + H20 = H2SO3 Ku = 1.0 M atm...
e) If the HSO3- is introduced by bubbling gaseous SO2 through the solution, given: SO2 + H20 = H2SO3 Ku = 1.0 M atm- H2SO3 = H+ + HSO3 Ks = 1.7 x 10-2 what partial pressure of SO2 is required so that the [HSO3') is 0.01 M at pH = 6.0 (consider only these two equilibrium reactions)? (3 marks)
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? [H+] = 0.82 M PH, = 2...
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? [H+] = 0.82 M PH, = 2.2 atm T = 298 K
MODEL 2: THE IDEAL GAS LAW Gases demonstrate all of the following properties V x 17p...
MODEL 2: THE IDEAL GAS LAW Gases demonstrate all of the following properties V x 17p VT Boyle's Law Charles's law Avogadro's Law CRITICAL THINKING QUESTIONS GUM OV which of the following incorporates all the gas behavior observed VONTP V." V Decall that yox is the same thing as y e x in which is a proportionality constant Rewrite the correct expression from CTQ5 with an equals sign, using the symbol Ras the proportionality constant. 7. Starting with your expression...
I got an answer of about 8.4 x 10^-8, however, that's not an answer choice, so...
I got an answer of about 8.4 x 10^-8, however, that's not an
answer choice, so I'm not sure what I'm doing wrong. Help
please!
The hypothetical weak acid H2A ionizes as shown below. H2A + H+ + HA K1 = 1.0 x 10-7 HA- + H+ + A2- K2 = 5.0 x 10-11 Calculate the [A2-) in a 0.20 M aqueous solution of H2A. 1. 4.6 x 10-13 M 2. 5.8 x 10-14 M 3. 3.8 x 10-18 M...
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). emf of this cell under standard conditions E∘...
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). emf of this cell under standard conditions E∘ = 0.771 V What is the emf for this cell when [Fe3+]= 3.70 M , PH2= 0.95 atm , [Fe2+]= 1.0×10−3 M , and the pH in both compartments is 3.95? Express your answer using two significant figures.
Xperiment 2 Record the pairs of data for pressure (atm) and volume (mL), 2 Points Experiment Data...
xperiment 2 Record the pairs of data for pressure (atm) and volume (mL), 2 Points Experiment Data Volume 1/Volume (mL) X-axis Pressure (atm) Y-axis (mL) 150 130 1/150-0.0067 1/130-0.0077 1.00 1.15 L30 I/ 10 /10 D.DIII 14 3.00 Law, pressure is inversely proportional to volume 1. Prepare a graph of the data, with [1/volume] (units-1/mL) on the X-axis and pressure (atm) on the Y-axis. 2. Click the graphing tool in the Latenite Lab assignment section. 3 Points 3. Draw a...
The Nernst equation is the one of the most important equations in electrochemistry. At standard temperature,...
The Nernst equation is the one of the most important equations in electrochemistry. At standard temperature, 25 ∘C or 298 K, the equation has the form E=E∘−(0.0591n)logQ where E∘ is the standard reduction potential for the reaction in volts and Q is the reaction quotient. The reaction quotient has the usual form Q=[products]x[reactants]y A table of standard reduction potentials gives the voltage at standard conditions, 1.00 Mfor all solutions and 1.00 atm for all gases. The Nernst equation allows for...
set of standard conditions: temperature, 298 K; pressure, 1 atm
or 101.3 kPa; and all solutes at 1 M concentration
Calculate the Gibbs free energy for the combustion of methane, CH4, and predict whether the reaction is spontaneous under standard conditions s9 lgases valah eauanon
Standard reduction potentials are listed for reactions under standard conditions. Standard conditions are 1 M concentrations of ions, 1 atm (or 1 bar) partial pressures for gases, and a temperature of 298 K a. In Part I, you were asked to compare your measured cell potential to a calculated standard cell 3. potential. The cell potential you measured was for a galvanic cell you prepared using 0.10 M solutions of Pb and Cu, not 1.0 M solutions. Write out the...
A sample of gas XY partially decomposes into gases X2 and Y2 in a closed reactor: 2XY = X2 + Y2 Which are true about this system? Select two that apply. At equilibrium, volume is conserved in closed systems. At equilibrium, enthalpy is conserved in closed systems. Energy is not conserved in the system because a closed system allows heat to enter or escape. At equilibrium, mass is conserved in closed systems. Energy is conserved in the system because a...
e) If the HSO3- is introduced by bubbling gaseous SO2 through the solution, given: SO2 + H20 = H2SO3 Ku = 1.0 M atm- H2SO3 = H+ + HSO3 Ks = 1.7 x 10-2 what partial pressure of SO2 is required so that the [HSO3') is 0.01 M at pH = 6.0 (consider only these two equilibrium reactions)? (3 marks)
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? [H+] = 0.82 M PH, = 2.2 atm T = 298 K
MODEL 2: THE IDEAL GAS LAW Gases demonstrate all of the following properties V x 17p VT Boyle's Law Charles's law Avogadro's Law CRITICAL THINKING QUESTIONS GUM OV which of the following incorporates all the gas behavior observed VONTP V." V Decall that yox is the same thing as y e x in which is a proportionality constant Rewrite the correct expression from CTQ5 with an equals sign, using the symbol Ras the proportionality constant. 7. Starting with your expression...
I got an answer of about 8.4 x 10^-8, however, that's not an
answer choice, so I'm not sure what I'm doing wrong. Help
please!
The hypothetical weak acid H2A ionizes as shown below. H2A + H+ + HA K1 = 1.0 x 10-7 HA- + H+ + A2- K2 = 5.0 x 10-11 Calculate the [A2-) in a 0.20 M aqueous solution of H2A. 1. 4.6 x 10-13 M 2. 5.8 x 10-14 M 3. 3.8 x 10-18 M...
xperiment 2 Record the pairs of data for pressure (atm) and volume (mL), 2 Points Experiment Data Volume 1/Volume (mL) X-axis Pressure (atm) Y-axis (mL) 150 130 1/150-0.0067 1/130-0.0077 1.00 1.15 L30 I/ 10 /10 D.DIII 14 3.00 Law, pressure is inversely proportional to volume 1. Prepare a graph of the data, with [1/volume] (units-1/mL) on the X-axis and pressure (atm) on the Y-axis. 2. Click the graphing tool in the Latenite Lab assignment section. 3 Points 3. Draw a...
Most questions answered within 3 hours.
-
A piece of equipment has a lifespan of T which is
exponentially distributed with mean 20....
asked 3 minutes ago -
Of all customers purchasing automatic garage-door openers, 60%
purchase a chain-driven model. Let X = the...
asked 13 minutes ago -
Analyze how exactly Game Theory makes the
market for kidney donations more efficient and the factors...
asked 35 minutes ago -
1.Which of the following statements are true about the six
reaction types? (Select all that apply.)...
asked 2 hours ago -
How
many different mutations can result from a single base pair
substitution in the unique tryptophan...
asked 2 hours ago -
A 2.00-kg block starts sliding from the top of a frictionless
incline. At the bottom of...
asked 2 hours ago -
Roy is the floor manager of a manufacturing firm. Roy considers
Maslow's Hierarchy of Needs to...
asked 2 hours ago -
In the laboratory, a general chemistry student measured the pH
of a 0.525 M aqueous solution...
asked 2 hours ago -
Suppose the deficit were to be $500 billion during normal times,
but increases to $750 billion...
asked 2 hours ago -
What is the purpose of having monitors face away from windows
and have an anti-glare screen...
asked 2 hours ago -
Suppose the market demand and market supply curves are given by
the equations:
Qd= 100-P
Qs=...
asked 2 hours ago -
Estimate Johnson-Nyquist noise a circuit above an running engine
(T=40°C, 1000 Ω, and is being read...
asked 2 hours ago